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Finding the Fourth Proportional to 123,951.60, 185,927.40 and 70,588.80

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Solution

The fourth proportional to 123,951.60, 185,927.40 and 70,588.80 is: 105,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,951.60 : 185,927.40 = 70,588.80 : x
  2. Step 2: Convert to fraction form
    123,951.60/185,927.40 = 70,588.80/x
  3. Step 3: Cross multiply
    123,951.60x = 185,927.40 × 70,588.80
  4. Step 4: Simplify right side
    123,951.60x = 13,124,392,053.12
  5. Step 5: Solve for x
    x = 13,124,392,053.12/123,951.60
  6. Step 6: Final answer
    x = 105,883.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.